| 摘要 |
<p>It is intended to provide a chitosanase which is soluble in water even under neutral conditions and capable of efficiently producing a low-molecular weight chitosan having an antimicrobial effect; a DNA encoding this enzyme; a process for producing a low-molecular weight chitosan with the use of the enzyme; the low-molecular weight chitosan produced by this process; medicinal compositions and foods containing the low-molecular weight chitosan as the active ingredient; a process for producing a sample easy to handle with the use of the above enzyme; and so on.</p> |
